From bc403b4dfcbcefe489c94df9e568b8f57c2aaae7 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Sat, 6 Mar 2021 19:24:17 +0800 Subject: dt-bindings: remoteproc: imx_rproc: add i.MX8MQ/M support Add i.MX8MQ/M support, also include mailbox for rpmsg/virtio usage. Reviewed-by: Rob Herring Signed-off-by: Peng Fan Link: https://lore.kernel.org/r/1615029865-23312-3-git-send-email-peng.fan@oss.nxp.com Signed-off-by: Bjorn Andersson --- .../bindings/remoteproc/fsl,imx-rproc.yaml | 31 +++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml') diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml index 54d2456530a6..208a628f8d6c 100644 --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml @@ -4,7 +4,7 @@ $id: "http://devicetree.org/schemas/remoteproc/fsl,imx-rproc.yaml#" $schema: "http://devicetree.org/meta-schemas/core.yaml#" -title: NXP iMX6SX/iMX7D Co-Processor Bindings +title: NXP i.MX Co-Processor Bindings description: This binding provides support for ARM Cortex M4 Co-processor found on some NXP iMX SoCs. @@ -15,6 +15,8 @@ maintainers: properties: compatible: enum: + - fsl,imx8mq-cm4 + - fsl,imx8mm-cm4 - fsl,imx7d-cm4 - fsl,imx6sx-cm4 @@ -26,6 +28,20 @@ properties: description: Phandle to syscon block which provide access to System Reset Controller + mbox-names: + items: + - const: tx + - const: rx + - const: rxdb + + mboxes: + description: + This property is required only if the rpmsg/virtio functionality is used. + List of <&phandle type channel> - 1 channel for TX, 1 channel for RX, 1 channel for RXDB. + (see mailbox/fsl,mu.yaml) + minItems: 1 + maxItems: 3 + memory-region: description: If present, a phandle for a reserved memory area that used for vdev buffer, @@ -58,4 +74,17 @@ examples: clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>; }; + - | + #include + + imx8mm-cm4 { + compatible = "fsl,imx8mm-cm4"; + clocks = <&clk IMX8MM_CLK_M4_DIV>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu 0 1 + &mu 1 1 + &mu 3 1>; + memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>; + syscon = <&src>; + }; ... -- cgit v1.2.3